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Schnorr Disc Springs

Disc Spring Engineering
Maximum load - minimum space - maximum flexibility

disc springs of special material

When special materials are used with different ‘E’ moduli and Poisson’s ratio µ, it is recommended that the corresponding ‘E’ modulus is used, but that the value of 0.91 for 1-µ2 be retained.  

Formula 7

This is justified with the fact that formula 7 for steel with E = 206 000 N/mm2 and µ = 0.3 provides loads 8 – 9% higher, however this is more or less balanced out again by radii and cross-section related shortening of the lever arm.


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